Measurement of isolated myocyte volume using the Coulter models Z2 and ZM/C256: a comparison of instrument function.

Abstract:

:Changes in cardiac structure that depart from normal have generally been termed "remodeling". Assessment of ventricular remodeling at the cellular level should include measurement of myocyte dimensions. A well-established and reliable method to assess myocyte remodeling uses isolated cells and the Coulter Counter/Channelyzer system. The new Coulter Model Z2 has numerous modifications and improvements from the Model Z predecessor(s) interfaced to a pulse-height analyzer (e.g., channelyzer). Improvements of the Model Z2 over older instruments include: (i) elimination of the mercury manometer with accompanying oil-displacement pump; (ii) reduced size and weight; (iii) a higher degree of mechanization and automation; (iv) inclusion of an advanced comprehensive statistical package and (v) a substantial reduction in cost. The purpose of this study was to determine if the newly modified instrument produces the same results as the previous instrument combinations, which were shown to produce reliable cell volume data from irregularly shaped cells such as cardiac myocytes.

journal_name

Biotechniques

journal_title

BioTechniques

authors

Said S,Tamura T,Gerdes AM

doi

10.2144/98253pf02

subject

Has Abstract

pub_date

1998-09-01 00:00:00

pages

522-5

issue

3

eissn

0736-6205

issn

1940-9818

journal_volume

25

pub_type

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